| /external/webrtc/webrtc/modules/audio_coding/codecs/isac/main/source/ |
| lpc_shape_swb12_tables.c | 32 * A rotation matrix to decorrelate intra-vector correlation,
33 * i.e. correlation among components of LAR vector.
44 * A rotation matrix to remove correlation among LAR coefficients
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| lpc_analysis.c | 267 /* Get correlation coefficients */
291 /* recursive filtering of correlation over subframes */
365 * Compute LP coefficients and correlation coefficients. At 12 kHz LP
368 * compute correlation coefficients of all sub-frames.
380 * -corrMat : a matrix where correlation coefficients of each
435 /* Get correlation coefficients */
471 * and the corresponding correlation coefficients.
476 * -corrMat : a matrix of correlation coefficients where
477 * each row is a set of correlation coefficients of
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| /external/webrtc/webrtc/modules/audio_coding/neteq/ |
| expand.h | 121 // Calculate the auto-correlation of |input|, with length |input_length|
122 // samples. The correlation is calculated from a downsampled version of
125 void Correlation(const int16_t* input,
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| merge.cc | 84 // Downsample, correlate, and find strongest correlation period for the
90 // Calculate the lag of the strongest correlation period.
262 // strange. Compare with Expand::Correlation.
313 // Calculate correlation without any normalization.
322 int32_t correlation[kMaxCorrelationLength]; local
323 WebRtcSpl_CrossCorrelation(correlation, input_downsampled_,
327 // Normalize correlation to 14 bits and copy to a 16-bit array.
334 int32_t max_correlation = WebRtcSpl_MaxAbsValueW32(correlation,
338 correlation, norm_shift);
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| expand.cc | 381 // Calculate correlation in downsampled domain (4 kHz sample rate).
385 // initialized to the return value of Correlation().
386 Correlation(audio_history, signal_length, correlation_vector,
389 // Find peaks in correlation vector.
394 // Adjust peak locations; cross-correlation lags start at 2.5 ms
426 ratio = 0; // No correlation set result to zero.
440 // Calculate the exact best correlation in the range between
462 // Calculate the correlation, store in |correlation_vector2|.
485 // Calculate the correlation coefficient between the two portions of the
585 // Calculate scale value needed for auto-correlation
816 int32_t correlation[kNumCorrelationLags]; local
[all...] |
| merge.h | 84 // Calculates cross-correlation between |input_downsampled_| and
85 // |expanded_downsampled_|, and finds the correlation maximum. The maximizing
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| preemptive_expand.cc | 45 // When the signal does not contain any active speech, the correlation does
68 // Check for strong correlation (>0.9 in Q14) and at least 15 ms new data,
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| /external/webrtc/webrtc/modules/audio_processing/ |
| splitting_filter_unittest.cc | 33 // Checks that the cross correlation of input and output is high enough at the
82 // Delay and cross correlation estimation.
95 // High cross correlation check.
|
| /development/perftests/panorama/feature_stab/db_vlvm/ |
| db_feature_matching.h | 94 * Normalized correlation feature matcher for <b>float</b> images.
95 * Correlation window size is constant and set to 11x11.
158 * Normalized correlation feature matcher for <b>byte</b> images.
159 * Correlation window size is constant and set to 11x11.
165 * then the correlation patches themselves are warped before being placed in the patch space.
199 * \param use_smaller_matching_window if set to true, uses a correlation window of 5x5 instead of the default 11x11
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| /packages/apps/LegacyCamera/jni/feature_stab/db_vlvm/ |
| db_feature_matching.h | 94 * Normalized correlation feature matcher for <b>float</b> images.
95 * Correlation window size is constant and set to 11x11.
158 * Normalized correlation feature matcher for <b>byte</b> images.
159 * Correlation window size is constant and set to 11x11.
165 * then the correlation patches themselves are warped before being placed in the patch space.
199 * \param use_smaller_matching_window if set to true, uses a correlation window of 5x5 instead of the default 11x11
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| /external/autotest/client/site_tests/hardware_PerfCounterVerification/ |
| stats_utils.py | 27 # square of the sample correlation coefficient,
30 # http://en.wikipedia.org/wiki/Correlation#Pearson.27s_product-moment_coefficient
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| /external/iproute2/tc/ |
| q_netem.c | 34 " [ delay TIME [ JITTER [CORRELATION]]]\n" \
36 " [ corrupt PERCENT [CORRELATION]] \n" \
37 " [ duplicate PERCENT [CORRELATION]]\n" \
38 " [ loss random PERCENT [CORRELATION]]\n" \
42 " [ reorder PRECENT [CORRELATION] [ gap DISTANCE ]]\n" \
357 if (get_percent(&reorder.correlation, *argv)) {
372 if (get_percent(&corrupt.correlation, *argv)) {
650 if (reorder->correlation)
652 sprint_percent(reorder->correlation, b1));
658 if (corrupt->correlation)
[all...] |
| /external/webrtc/webrtc/modules/audio_coding/codecs/ilbc/ |
| cb_search_core.h | 25 int32_t *cDot, /* (i) Cross Correlation */
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| /frameworks/av/media/libstagefright/codecs/amrwbenc/src/ |
| p_med_ol.c | 47 Word16 *gain = &(st->ol_gain); /* normalize correlation of hp_wsp for the lag */
59 /* Compute the correlation */
70 /* Weighting of the correlation function. */
96 /* Compute normalize correlation at delay Tm */
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| /external/libnl/include/linux/ |
| pkt_sched.h | 459 __u32 delay_corr; /* delay correlation */
460 __u32 loss_corr; /* packet loss correlation */
461 __u32 dup_corr; /* duplicate correlation */
467 __u32 correlation; member in struct:tc_netem_reorder
473 __u32 correlation; member in struct:tc_netem_corrupt
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| /prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8/sysroot/usr/include/linux/ |
| pkt_sched.h | 486 __u32 delay_corr; /* delay correlation */
487 __u32 loss_corr; /* packet loss correlation */
488 __u32 dup_corr; /* duplicate correlation */
494 __u32 correlation; member in struct:tc_netem_reorder
500 __u32 correlation; member in struct:tc_netem_corrupt
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| /frameworks/av/media/libstagefright/codecs/amrnb/enc/src/ |
| pitch_ol.cpp | 92 corr = pointer to buffer of correlation values (Word32)
99 cor_max = pointer to the normalized correlation of selected lag (Word16)
105 cor_max contains the newly calculated normalized correlation of the
111 p_max = lag of the max correlation found (Word16)
124 corr = pointer to buffer of correlation values (Word32)
131 cor_max = pointer to the normalized correlation of selected lag (Word16)
136 cor_max contains the newly calculated normalized correlation of the
142 p_max = lag of the max correlation found (Word16)
153 Find the lag that has maximum correlation of scal_sig in a given delay range.
154 The correlation is given by
[all...] |
| /external/autotest/client/cros/audio/ |
| audio_helper.py | 593 """Gets max cross-correlation and best time delay of two signals.
595 Computes cross-correlation function between two
598 1. Compute cross-correlation function of X and Y and get Cxy.
599 The correlation function Cxy is an array where Cxy[k] is the
601 Refer to manual of numpy.correlate for detail of correlation.
604 4. Divide C_max by norm(X)*norm(Y) to get max cross-correlation.
606 Max cross-correlation indicates the similarity of X and Y. The value
610 max cross-correlation value deviated from 1.
612 Refer to http://en.wikipedia.org/wiki/Cross-correlation.
620 @returns: A tuple (correlation index, best delay). If there are more tha
[all...] |
| audio_analysis.py | 205 @param threshold: The threshold of correlation index to be judge as matched.
262 Compares test signal with each block of golden signal by correlation
268 @param threshold: The threshold of correlation index to be judge as matched.
295 # Checks if the maximum correlation index is high enough.
316 """Computes correlation index of two signal of same length.
325 @returns: The correlation index.
341 # The 'valid' cross correlation result of two signals of same length will
343 correlation = numpy.correlate(golden_signal, test_signal, 'valid')[0]
344 return correlation / (norm_golden * norm_test)
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| /cts/apps/CameraITS/tests/sensor_fusion/ |
| test_sensor_fusion.py | 115 # result in the best correlation.
123 # Pass/fail based on the offset and also the correlation distance.
124 dist = scipy.spatial.distance.correlation(cam_rots, gyro_rots)
125 print "Best correlation of %f at shift of %.2fms"%(dist, offset*SEC_TO_MSEC)
132 Uses a correlation distance metric between the curves, where a smaller
150 dists.append(scipy.spatial.distance.correlation(cam_rots, gyro_rots))
155 # accurately, by looking at the correlation distances within a range of
176 pylab.ylabel("Correlation distance")
|
| /development/ndk/platforms/android-3/include/linux/ |
| pkt_sched.h | 394 __u32 correlation; member in struct:tc_netem_reorder
400 __u32 correlation; member in struct:tc_netem_corrupt
|
| /external/autotest/server/site_tests/audio_AudioBasicUSBPlaybackRecord/ |
| audio_AudioBasicUSBPlaybackRecord.py | 127 golden_file, playback_recorder, 'correlation'):
131 golden_file, record_recorder, 'correlation'):
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| /external/libmpeg2/common/ |
| ideint_defs.h | 90 /* Adjacent correlation bias, used in biasing the adjacent correlation over */
|
| /external/libopus/silk/fixed/ |
| residual_energy16_FIX.c | 37 const opus_int32 *wXX, /* I Correlation matrix */
38 const opus_int32 *wXx, /* I Correlation vector */
|
| warped_autocorrelation_FIX.c | 40 opus_int *scale, /* O Scaling of the correlation vector */
44 const opus_int order /* I Correlation order (even) */
|
